2020-07-13 22:12:04 +00:00
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//
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// RenderingBlockView.swift
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// GeminiRenderer
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//
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// Created by Shadowfacts on 7/13/20.
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//
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import SwiftUI
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import GeminiFormat
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struct RenderingBlockView: View {
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let block: RenderingBlock
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2020-07-15 03:15:56 +00:00
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let changeURL: ((URL) -> Void)?
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init(block: RenderingBlock, changeURL: ((URL) -> Void)? = nil) {
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self.block = block
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self.changeURL = changeURL
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}
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2020-07-13 22:12:04 +00:00
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@ViewBuilder
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var body: some View {
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switch block {
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case let .text(text):
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2020-07-16 02:46:48 +00:00
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self.text(text)
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2020-07-13 22:12:04 +00:00
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case let .link(url, text: linkText):
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2020-07-16 02:46:48 +00:00
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self.link(url, text: linkText)
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2020-07-13 22:12:04 +00:00
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case let .preformatted(text, alt: _):
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2020-07-16 02:46:48 +00:00
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preformatted(text)
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2020-07-13 22:12:04 +00:00
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case let .heading(text, level: level):
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2020-07-16 02:46:48 +00:00
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heading(text, level: level)
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2020-07-13 22:12:04 +00:00
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case let .unorderedListItem(text):
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2020-07-16 02:46:48 +00:00
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unorderedListItem(text)
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2020-07-13 22:12:04 +00:00
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case let .quote(text):
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2020-07-16 02:46:48 +00:00
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quote(text)
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}
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}
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private func text(_ text: String) -> some View {
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Text(text)
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.font(.documentBody)
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.frame(maxWidth: .infinity, alignment: .leading)
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}
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private func link(_ url: URL, text: String?) -> some View {
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let text = text ?? url.absoluteString
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return Button {
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self.changeURL?(url)
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} label: {
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Text(verbatim: text)
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.font(.documentBody)
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.foregroundColor(.blue)
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.underline()
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.frame(maxWidth: .infinity, alignment: .leading)
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}.buttonStyle(LinkButtonStyle())
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}
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private func preformatted(_ text: String) -> some View {
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ScrollView(.horizontal) {
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Text(verbatim: text)
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.font(.documentBodyPreformatted)
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.frame(maxWidth: .infinity, alignment: .leading)
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2020-07-13 22:12:04 +00:00
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}
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}
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2020-07-16 02:46:48 +00:00
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private func heading(_ text: String, level: Document.HeadingLevel) -> some View {
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Text(verbatim: text)
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.font(level.font)
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.frame(maxWidth: .infinity, alignment: .leading)
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}
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private func unorderedListItem(_ text: String) -> some View {
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// todo: should this be .firstTextBaseline?
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HStack(alignment: .top, spacing: 4) {
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Text(verbatim: "\u{2022}")
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Text(verbatim: text)
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.font(.documentBody)
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Spacer()
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}.frame(maxWidth: .infinity, alignment: .leading)
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}
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private func quote(_ text: String) -> some View {
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HStack(spacing: 4) {
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Color.gray
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.frame(width: 4)
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Text(verbatim: text)
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.font(Font.documentBody.italic())
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.foregroundColor(.gray)
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Spacer()
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}.frame(maxWidth: .infinity, alignment: .leading)
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}
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2020-07-13 22:12:04 +00:00
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}
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struct RenderingBlockView_Previews: PreviewProvider {
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static var previews: some View {
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Group {
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RenderingBlockView(block: .text("Some Text"))
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RenderingBlockView(block: .quote("A Quote"))
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}
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}
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}
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